CN205000568U - Prefabricated staircase - Google Patents
Prefabricated staircase Download PDFInfo
- Publication number
- CN205000568U CN205000568U CN201520610616.0U CN201520610616U CN205000568U CN 205000568 U CN205000568 U CN 205000568U CN 201520610616 U CN201520610616 U CN 201520610616U CN 205000568 U CN205000568 U CN 205000568U
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- CN
- China
- Prior art keywords
- reinforcement
- group
- strengthening rib
- reinforcement bar
- cage
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Abstract
The utility model discloses a prefabricated staircase, prefabricated staircase is including the framework of steel reinforcement that is the echelonment, connecting reinforcement framework two ends's a plurality of strengthening rib strips and the reinforcing apparatus of setting between framework of steel reinforcement and strengthening rib strip, this reinforcing apparatus includes rigid coupling in the reinforcing rod group that reinforcing bar framework two ends's multiunit was parallel to each other, and reinforcing rod group is including a plurality of reinforcing rods, a plurality of strengthening rib strips are formed with first plane, and the reinforcing rod is organized and is formed with the second plane, first plane with the flat surface parallel of second, connect through a plurality of first reinforcing bar sections between two adjacent reinforcing rods in the same reinforcing rod group, connect through a plurality of second reinforcing bar sections between two adjacent reinforcing rods in the adjacent reinforcing rod group, it has the concrete to fill between framework of steel reinforcement, a plurality of strengthening rib strip and the reinforcing apparatus. This prefabricated staircase convenient to use, when using directly the scene of removing can, saved the site operation time, and the non -staining environment, the sexual valence relative altitude.
Description
Technical field
The utility model relates to housing construction field, particularly, relates to a kind of precast stair.
Background technology
Mainly use cast-in-place concrete stair in Modern Residence, need on-the-spot support shuttering, assembling reinforcement, cast-in-situ concrete, form removal etc., field procedure is many, and amount of support is large; Structure construction stage stair are difficult to current, and hand over during room and need reinforced coating, some projects need patch block, produce a large amount of rubbish, labor intensive simultaneously, waste more cost, and workman's shortcoming also can bring considerable influence to construction speed simultaneously.
But, in the Architectural Design in modern times, comparatively focus on environmental protection, economy and the multinomial requirement such as durable, existing cast-in-situ stair can not meet the demands under specific circumstances, therefore, by technological innovation, the demand adapting to New Century Architecture engineering development is as much as possible vital.
Therefore, a kind of environmental protection is provided, easy to use, cost performance is high and can ensure that again the precast stair of properties is the problem that the utility model needs solution badly.
Utility model content
The purpose of this utility model is to provide a kind of environmental protection, easy to use, cost performance is high and can ensure again the precast stair of properties, and this precast stair is easy to use, directly removes scene in use, save the engineering time, and durability is high.
To achieve these goals, the utility model provides a kind of precast stair, and described precast stair comprises stepped cage of reinforcement, multiple strengthening rib strip of connecting described cage of reinforcement two ends and the bracing means be arranged between described cage of reinforcement and described strengthening rib strip; This bracing means comprises the many groups of reinforcement bar groups be parallel to each other being fixed in described cage of reinforcement two ends, and described reinforcement bar group comprises multiple reinforcement bar; Multiple described strengthening rib strip is formed with the first plane, and described reinforcement bar group is formed with the second plane, described first plane and described second plane parallel; Connected by multiple first lengths of rebar between adjacent two described reinforcement bars in same described reinforcement bar group; Connected by multiple second lengths of rebar between adjacent two described reinforcement bars in adjacent described reinforcement bar group; Described cage of reinforcement, between multiple described strengthening rib strip and described bracing means, be filled with concrete.
Preferably, the described reinforcement bar group of many groups comprises near first group of described cage of reinforcement and second group of close multiple described strengthening rib strip; And the multiple reinforcement bars in described reinforcement bar group are all prestressed reinforcement.
Preferably, the described reinforcement bar group of many groups comprises near first group of described cage of reinforcement and second group of close multiple described strengthening rib strip; And the multiple reinforcement bars in described first group are respectively nonprestressed reinforcement bar, the multiple reinforcement bars in described second group are respectively prestress steel rib.
Preferably, the second lengths of rebar is nonprestressed reinforcement bar.
Preferably, multiple described second lengths of rebar is parallel to each other and one end along described reinforcement bar distributes to the other end.
Preferably, multiple described second lengths of rebar is equally spaced arranged along the length direction of described reinforcement bar.
According to technique scheme, the utility model by arranging bracing means between cage of reinforcement and strengthening rib strip, this bracing means comprises the many groups of reinforcement bar groups be parallel to each other, and the first plane that the second plane parallel often organizing the formation of reinforcement bar group is formed in multiple strengthening rib strip, on cage of reinforcement, increase the stability that bracing means can improve its entirety like this, the durability of this precast stair is improved.In addition, this precast stair saves the time of cast-in-site, easy to use, directly this precast stair is carried to scene when needing, economic environmental protection, easy to use and cost performance is high.
Other feature and advantage of the present utility model are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for manual, is used from explanation the utility model, but does not form restriction of the present utility model with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the structural representation removed after concrete of the precast stair according to preferred embodiment of the present utility model.
Description of reference numerals
1, cage of reinforcement 2, strengthening rib strip
3, reinforcement bar 4, second lengths of rebar.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the utility model, is not limited to the utility model.
In the utility model, when not doing contrary explanation, the nouns of locality be included in term such as " upper and lower, left and right, inside and outside " only represents the orientation of this term under normal service condition, or being commonly called as of understanding for those skilled in the art, and should not be considered as the restriction to this term.
The utility model provides a kind of precast stair, as shown in Figure 1, described precast stair comprise stepped cage of reinforcement 1, multiple strengthening rib strips 2 of connecting described cage of reinforcement 1 two ends and the bracing means be arranged between described cage of reinforcement 1 and described strengthening rib strip 2; This bracing means comprises the many groups of reinforcement bar groups be parallel to each other being fixed in described cage of reinforcement 1 two ends, and described reinforcement bar group comprises multiple reinforcement bar 3; Multiple strengthening rib strip 2 is formed with the first plane, and reinforcement bar group is formed with the second plane, described first plane and described second plane parallel; Connected by multiple first lengths of rebar between adjacent two reinforcement bars 3 in same reinforcement bar group; Connected by multiple second lengths of rebar 4 between adjacent two reinforcement bars 3 in adjacent reinforcement bar group; Described cage of reinforcement 1, between multiple strengthening rib strip 2 and bracing means, be filled with concrete.The bracing means that this precast stair comprises stepped cage of reinforcement 1, multiple strengthening rib strip 2 and is arranged between strengthening rib strip 2 and cage of reinforcement 1, multiple strengthening rib strips 2 are connected to the two ends of cage of reinforcement 1, this bracing means comprises the many groups of reinforcement bar groups be parallel to each other, often organize reinforcement bar group be all connected to the two ends of cage of reinforcement 1 and often organize the second plane that reinforcement bar group formed and be all parallel to the first plane that multiple strengthening rib strip 2 formed, the structural stability in order to strengthen this precast stair like this, improve durability, to improve cost performance; In addition, for strengthening structural stability further, improving durability, often organizing between adjacent two reinforcement bars in reinforcement bar group and being connected by the first lengths of rebar; Connected by the second lengths of rebar 4 between adjacent two reinforcement bars 3 in adjacent reinforcement bar group.After cage of reinforcement 1, multiple strengthening rib strip 2 and bracing means require to arrange structure according to the rules, then fluid concrete is formed as precast stair after concrete dries therein.
In a preferred embodiment, the described reinforcement bar group of many groups comprises near first group of described cage of reinforcement 1 and second group of close multiple described strengthening rib strip 2; And the multiple reinforcement bars 3 in described reinforcement bar group are all prestressed reinforcement.Like this, be set to first group and second group can also save material on the basis ensureing economy and durability by organizing reinforcement bar group more; In addition, the multiple reinforcement bars 3 in composition reinforcement bar group are all set to prestressed reinforcement, and prestressed reinforcement can increase by force intensity, and saves amount of reinforcement.
In addition, selectively, the described reinforcement bar group of many groups comprises near first group of described cage of reinforcement 1 and second group of close multiple described strengthening rib strip 2; And the multiple reinforcement bars 3 in described first group are respectively nonprestressed reinforcement bar, the multiple reinforcement bars 3 in described second group are respectively prestress steel rib.That is: the multiple reinforcement bars in first group be nonprestressed reinforcement bar or prestress steel rib can meet this precast stair by force intensity, increase the selective of reinforcement bar.
In a preferred embodiment, the second lengths of rebar 4 is nonprestressed reinforcement bar.One more preferred embodiment in, multiple described second lengths of rebar 4 is parallel to each other and one end along described reinforcement bar distributes to the other end.Multiple second lengths of rebar 4 is distributed to the other end along one end of reinforcement bar, and this is the structural stability in order to increase this precast stair, improves by force intensity; In addition, the second lengths of rebar 4 is set to nonprestressed reinforcement and can increases the selective of the second lengths of rebar 4.
One more preferred embodiment in, multiple described second lengths of rebar 4 is equally spaced arranged along the length direction of described reinforcement bar 3.The equally spaced setting of multiple second reinforcement bar can ensure the uniform force of this precast stair.
Below preferred embodiment of the present utility model is described by reference to the accompanying drawings in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the utility model illustrates no longer separately to various possible combination.
In addition, also can be combined between various different embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (6)
1. a precast stair, it is characterized in that, the bracing means that described precast stair comprises stepped cage of reinforcement (1), connects multiple strengthening rib strips (2) at described cage of reinforcement (1) two ends and be arranged between described cage of reinforcement (1) and described strengthening rib strip (2); This bracing means comprises the many groups of reinforcement bar groups be parallel to each other being fixed in described cage of reinforcement (1) two ends, and described reinforcement bar group comprises multiple reinforcement bar (3); Multiple described strengthening rib strip (2) is formed with the first plane, and described reinforcement bar group is formed with the second plane, described first plane and described second plane parallel; Connected by multiple first lengths of rebar between adjacent two described reinforcement bars (3) in same described reinforcement bar group; Connected by multiple second lengths of rebar between adjacent two described reinforcement bars (3) in adjacent described reinforcement bar group; Described cage of reinforcement (1), between multiple described strengthening rib strip (2) and described bracing means, be filled with concrete.
2. precast stair according to claim 1, is characterized in that, the described reinforcement bar group of many groups comprises near first group of described cage of reinforcement (1) and second group of close multiple described strengthening rib strip (2); And the multiple reinforcement bars (3) in described reinforcement bar group are all prestressed reinforcement.
3. precast stair according to claim 1, is characterized in that, the described reinforcement bar group of many groups comprises near first group of described cage of reinforcement (1) and second group of close multiple described strengthening rib strip (2); And the multiple reinforcement bars (3) in described first group are respectively nonprestressed reinforcement bar, the multiple reinforcement bars (3) in described second group are respectively prestress steel rib.
4. precast stair according to claim 1, is characterized in that, the second lengths of rebar (4) is nonprestressed reinforcement bar.
5. precast stair according to claim 4, is characterized in that, multiple described second lengths of rebar (4) is parallel to each other and one end along described reinforcement bar (3) distributes to the other end.
6. precast stair according to claim 5, is characterized in that, multiple described second lengths of rebar (4) is equally spaced arranged along the length direction of described reinforcement bar (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520610616.0U CN205000568U (en) | 2015-08-13 | 2015-08-13 | Prefabricated staircase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520610616.0U CN205000568U (en) | 2015-08-13 | 2015-08-13 | Prefabricated staircase |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205000568U true CN205000568U (en) | 2016-01-27 |
Family
ID=55157464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520610616.0U Expired - Fee Related CN205000568U (en) | 2015-08-13 | 2015-08-13 | Prefabricated staircase |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205000568U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105040919A (en) * | 2015-08-13 | 2015-11-11 | 刘文海 | Precast stair and production method thereof |
-
2015
- 2015-08-13 CN CN201520610616.0U patent/CN205000568U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105040919A (en) * | 2015-08-13 | 2015-11-11 | 刘文海 | Precast stair and production method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160127 Termination date: 20170813 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |